package demo2;

/**
 * @Author: Lenovo
 * @Date: 2024/5/22 20:59
 * @description:
 */
public class Test {
    public static void main(String[] args) {
        Computer computer=new Computer();
        computer.Open();
        computer.UseUSB(new Mouse());
        computer.UseUSB(new KeyBored());
        computer.Close();
    }
}
